copper emerald

例句：

1. 1. This ancient emerald is said to have been found in a cave in the Amazon rainforest.
   据说这块古老的翡翠是在亚马逊雨林的一个洞穴里发现的。
2. 2.The emerald was set into the center of the ring as a symbol of love and devotion.
   这颗翡翠被镶嵌在戒指的中心，作为爱与奉献的象征。
3. 3.The emerald's rich green color makes it a popular choice for engagement rings.
   翡翠的浓郁绿色使其成为订婚戒指的热门选择。